If everyone were like me, they'd still annoy me.
F'rexample; the people driving ahead of you are slow-pokey idiots, while those behind you are speed-demon maniacs.
Another point, every time I'm ready to curse a moron for not using his turn signals at the intersection, I'm not using my turn signals at the intersection.
It would be a humbling experience, but I tell myself I'm nothing like them.
Turn signals are a sign of weakness.